Hiroshi Umetsu

Title: Hiroshi Umetsu: Innovator in Fluid Measurement and Optical Elements

Introduction

Hiroshi Umetsu is a notable inventor based in Tachikawa, Japan. He has made significant contributions to the fields of fluid measurement and optical elements, holding a total of 6 patents. His innovative solutions address critical problems in these areas, showcasing his expertise and creativity.

Latest Patents

One of Umetsu's latest patents is a cartridge designed to prevent fluid overflow from a well, thereby protecting users from potential biohazards. This cartridge features a recessed well with a lower barrel portion that has a closed bottom and an upper barrel portion with an opening at the top. A step portion connects the inner walls of both barrel portions, ensuring effective fluid containment.

Another significant patent involves a method for manufacturing optical elements. This method enhances the surface precision of optical surfaces while minimizing birefringence at a low cost. The process utilizes injection molding to create a non-optical surface adjacent to the optical surface, employing a mold surface with varying roughness to achieve the desired quality.

Career Highlights

Hiroshi Umetsu has worked with prominent companies such as Konica Minolta, Inc. and Otsuka Pharmaceutical Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Umetsu has collaborated with talented individuals in his field, including Yoshihiro Okumura and Takehiko Goshima. These partnerships have fostered a creative environment that encourages the development of groundbreaking inventions.

Conclusion

Hiroshi Umetsu's work exemplifies the spirit of innovation in fluid measurement and optical technology. His patents reflect a commitment to solving real-world problems through inventive solutions. His contributions continue to impact the industry positively.